List of Articles Ecological Open Access Article Abstract Page Full-Text 1 - Spatial Distribution and Ecological Risk Assessment of Trace Metals in Surface Sediments of Lake Qarun Wetland, Egypt Yasser El-Amier Hala Fakhry El-Sayed F. El-Halawany Hatem K. Adday 10.22034/jchr.2022.1933091.1334 Open Access Article Abstract Page Full-Text 2 - Biochemical, Molecular and Ecological characterization of Petroleum Biodegradable Bacteria in Misan Province/Iraq Hiba N. Dhaegheem Salih H. Jazza Zahid S. Aziz 10.22034/jchr.2021.686884 Open Access Article Abstract Page Full-Text 3 - Pollution Indices and Health Risk Assessment of Heavy Metals in Soil of Major Motor Parks in Yola, Nigeria Abdulazeez Mobolaji Hammed Ayodele Akinterinwa Shuaibu Abdullahi Hasiru Mahmud 10.60829/jchr.2025.1183551